Structured Summary
Abstract
Storage-stable blood coagulation factor acting in the intrinsic pathway of blood coagulation. Its activated form, IXa, forms a complex with factor VIII and calcium on platelet factor 3 to activate factor X to Xa. Deficiency of factor IX results in HEMOPHILIA B (Christmas Disease).
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Synonyms
10 entry terms
- Autoprothrombin II
- Blood Coagulation Factor IX
- Christmas Factor
- Coagulation Factor IX
- Factor 9
- Factor IX Complex
- Factor IX Fraction
- Factor Nine
- Plasma Thromboplastin Component
- Factor IX, Coagulation
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Aspects Covered
28 allowable subheadings
Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, biosynthesis, cerebrospinal fluid, chemical synthesis, chemistry, classification, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, ultrastructure, urine.
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WH 310
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References
- National Library of Medicine. Factor IX. Medical Subject Headings (MeSH). 2026. Unique ID D005164. http://id.nlm.nih.gov/mesh/2026/D005164
- Factor IX. In: Wikidata. https://www.wikidata.org/wiki/Q32855876